19199912

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{77419}}^1$

素因数の和:77456

約数の個数: 16

約数和(自身を含む): 37161600

約数和(自身を除く): 17961688

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 77419, 154838, 309676, 619352, 2399989, 4799978, 9599956, 19199912]

約数ペア:

[(1, 19199912), (2, 9599956), (4, 4799978), (8, 2399989), (31, 619352), (62, 309676), (124, 154838), (248, 77419)]